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Laryngeal mask

Geoff Thorning, Peter Robb, Bernadette Ewah, Venugopalapura Shylaja
No abstract text is available yet for this article.
November 2016: European Journal of Anaesthesiology
Jenny Feldman Eskildsen, Brian D Thorp, Hemanth A Baboolal
Management of anesthesia for a child with an upper airway foreign body is fraught with particular challenges. We present the case of a 3-year-old girl who presented to the emergency department with a 12-cm sewing needle protruding from her mouth and unknown vascular involvement. We were faced with establishing a secure airway despite exclusion of mask ventilation or use of a laryngeal mask airway. Moreover, peripheral intravenous access was lost before adequate sedation. Ultimately, we were able to safely induce anesthesia and achieve endotracheal intubation...
October 5, 2016: A & A Case Reports
Shruti Jain, Nazia Nazir, Rashid M Khan, Syed M Ahmed
INTRODUCTION: Extubation in deep plane of anesthesia followed by Guedel's oropharyngeal airway (OPA™) insertion is a routine method to avoid hemodynamic changes associated with tracheal extubation. Exchange of endotracheal tube (ETT) with Classic laryngeal mask airway (LMA™) prior to emergence from anesthesia also serves similar purpose. We had compared the hemodynamic changes involved during this ETT/LMA™ and ETT/OPA™ exchange technique. MATERIAL AND METHODS: This was a randomized prospective study on ASA I and 2 patients undergoing elective surgery under general anesthesia...
September 2016: Anesthesia, Essays and Researches
N Pratheeba, G S Ramya, R V Ranjan, R Remadevi
CONTEXT: Laryngeal mask airway (LMA) Classic™ has an inflatable cuff while i-gel™ has a noninflatable cuff made of thermoplastic elastomer. AIMS: To compare ease of insertion, number, and duration of insertion attempts among the two device. Secondary objectives were to evaluate the hemodynamic response and SpO2 during device insertion and during maintenance of general anesthesia. SETTINGS AND DESIGN: This study was conducted as randomized observational study in a teaching hospital...
September 2016: Anesthesia, Essays and Researches
Peter Milos, Kerstin Metcalf, Patrick Vigren, Hans Lindehammar, Malin Nilsson, Sverre Boström
Awake craniotomy for brain tumours  Awake neurosurgery is a useful method in lesions near eloquent brain areas, particularly low-grade gliomas.The aim is to maximise tumour resection and preserve neurological function. We performed 40 primary awake surgeries and 8 residual surgeries. Patients were operated awake throughout the procedure or with a laryngeal mask and general anaesthesia during the opening stage and then awake during intracerebral surgery. Language and motor function were mapped with direct cortical stimulation, motor evoked potential and standardised neurological testing...
October 11, 2016: Läkartidningen
Mostafa Somri, Sonia Vaida, Gustavo Garcia Fornari, Gabriela Renee Mendoza, Pedro Charco-Mora, Naser Hawash, Ibrahim Matter, Forat Swaid, Luis Gaitini
BACKGROUND: The Laryngeal Tube Suction Disposable (LTS-D) and the Supreme Laryngeal Mask Airway (SLMA) are second generation supraglottic airway devices (SADs) with an added channel to allow gastric drainage. We studied the efficacy of these devices when using pressure controlled mechanical ventilation during general anesthesia for short and medium duration surgical procedures and compared the oropharyngeal seal pressure in different head and-neck positions. METHODS: Eighty patients in each group had either LTS-D or SLMA for airway management...
October 6, 2016: BMC Anesthesiology
Abigail C Mancuso, Kelsey Lee, Ran Zhang, Elizabeth A Hoover, Colleen Stockdale, Abbey J Hardy-Fairbanks
OBJECTIVES: Safety of outpatient dilation and evacuations with intravenous (iv) sedation without intubation has been demonstrated, but there is a paucity of data on deep iv sedation on an inpatient second trimester surgical termination population. The purpose of this study is to evaluate complications of deep sedation with propofol without the use of intubation during second trimester surgical terminations in an inpatient teaching institution. STUDY DESIGN: A retrospective chart review of all obstetrical and anesthetic data from inpatient dilation and evacuations between gestational ages 15 0/7 and 24 0/7 during the years 2002 to 2015...
October 3, 2016: Contraception
Murat Haliloglu, Sevgi Bilgen, Neslihan Uzture, Ozge Koner
BACKGROUND AND OBJECTIVES: The size of the ProSeal laryngeal mask airway in children is determined by the patient's weight. However, in some instances, an alternative method may be required. This study aimed to compare sizing by the auricle with conventional ProSeal laryngeal mask airway sizing by weight in children. METHODS: After approval by the institutional ethics board and written informed consent from parents, 197 children with American Society of Anesthesiologists physical status I-II who were scheduled for a routine genitourinary operation were included in the study...
September 29, 2016: Revista Brasileira de Anestesiologia
Ricardo Fuentes, Juan Carlos De la Cuadra, Hector Lacassie, Alejandro González
: Neonates and small infants with craniofacial malformation may be very difficult or impossible to mask ventilate or intubate. We would like to report the fiberoptic intubation of a small infant with Treacher Collins Syndrome using the technique described by Ellis et al. CASE REPORT: An one month-old infant with Treacher Collins Syndrome was scheduled for mandibular surgery under general endotracheal anesthesia. Direct laryngoscopy for oral intubation failed to reveal the glottis...
September 27, 2016: Revista Brasileira de Anestesiologia
Kaicheng Song, Jie Yi, Wei Liu, Shuang Huang, Yuguang Huang
STUDY OBJECTIVE: We sought to validate ultrasound against other established methods of confirming laryngeal mask airway (LMA) placement. DESIGN: An observational study. SETTING: A university teaching hospital, operating department. PATIENTS: Fifty-eight patients undergoing general anesthesia using an LMA Supreme supraglottic airway device. INTERVENTIONS: The position of the LMA was assessed by ultrasound in 3 planes: the pharynx, the larynx, and along the cranial-caudal axis in the midline...
November 2016: Journal of Clinical Anesthesia
T Wesley Templeton, Lauren K Hoke, Jill Yaung, Carol A Aschenbrenner, Danielle M Rose, Leah B Templeton, Yvon F Bryan
STUDY OBJECTIVE: To determine quantitative differences in several routinely measured ventilation parameters using a standardized anesthetic technique and 3 different ventilation modalities in pediatric patients with a ProSeal laryngeal mask airway (PLMA). DESIGN: Randomized prospective study. SETTING: Pediatric hospital of a tertiary care academic medical center. PATIENTS: Thirty-three, American Society of Anesthesiologists classification 1-2, pediatric patients (12 months to 5 years)...
November 2016: Journal of Clinical Anesthesia
Han Bum Joe, Jong Yeop Kim, Hyun Jeong Kwak, Sang Eon Oh, Sook Young Lee, Sung Yong Park
BACKGROUND: Remifentanil can improve insertion of a laryngeal mask airway (LMA) during induction with propofol. Recently, it has been suggested that there is a sex difference in opioid requirements for this procedure. The purposes of this study were to determine the effective effect-site concentration (Ce) of remifentanil for the facilitation of LMA insertion in male and female patients during propofol anesthesia without neuromuscular blockade and to evaluate whether there are sex differences in the Ce of remifentanil required for successful LMA insertion...
September 2016: Medicine (Baltimore)
Marc Kriege, Tim Piepho, Susanne Zanker, Christian Alflen, Florian Heid, Rüdiger R Noppens
BACKGROUND: Second-generation laryngeal masks with gastric access are increasingly used in daily practice and expand the indications for laryngeal masks in the OR. Only limited data exist comparing different types of laryngeal masks. We investigated the second-generation laryngeal masks LMA Supreme and Ambu AuraGain in a clinical setting. We hypothesized that the two devices would be comparable in terms of success rate and airway complications. METHODS: After approval from the local ethics committee, data were collected in a prospective trial...
September 27, 2016: Minerva Anestesiologica
Brian E Driver, David Plummer, William Heegaard, Robert F Reardon
BACKGROUND: The King LT airway (King Systems, Noblesville, IN) is a popular extraglottic device that is widely used in the prehospital setting. We report a case of tracheal malplacement of the King airway with a severe kink in the distal tube. CASE REPORT: A 51-year-old unhelmeted motorcyclist collided with a freeway median and was obtunded when paramedics arrived. After bag mask ventilation, a King airway was placed uneventfully and the patient was transported to the emergency department...
September 17, 2016: Journal of Emergency Medicine
Michael Bernhard, André Gries, Alexandra Ramshorn-Zimmer, Volker Wenzel, Bjoern Hossfeld
Background. Emergency airway management (AM) is a priority when resuscitating critically ill or severely injured patients. The goal of this study was to determine the success rates of LT insertion during AM. Methods. Studies that included LT first-pass insertion (FPI) and overall-pass insertion (OPI) success by emergency medical services and in-hospital providers performing AM for emergency situations as well as for scheduled surgery published until July 2014 were searched systematically in Medline. Results...
2016: BioMed Research International
Caineng Wu, Jianqi Wei, Qingyun Cen, Xuefan Sha, Qingxiang Cai, Wuhua Ma, Ying Cao
A difficult airway may lead to hypoxia and brain damage. The WEI Nasal Jet Tube (WNJ) is a new nasal pharyngeal tube that applies supraglottic jet oxygenation and ventilation (SJOV) for patients during tracheal intubation without the need for mask ventilation. We evaluated the effectiveness and safety of SJOV-assisted fibre-optic bronchoscopy (FOB) using the WNJ in the management of difficult tracheal intubations. A total of 50 adult patients with Cormack-Lehane grade ≥3 and general anesthesia with tracheal intubation were randomly assigned to either the laryngeal mask airway (LMA) or WNJ groups...
September 14, 2016: Internal and Emergency Medicine
Tobias Tenenbaum, Georg Kähler, Christoph Janke, Horst Schroten, Süha Demirakca
BACKGROUND: Rigid bronchoscopy remains the gold standard in many countries to remove airway foreign bodies (FBs). We aimed to analyze the feasibility of airway FB removal in children, primarily by flexible bronchoscopy through a laryngeal mask. MATERIALS AND METHODS: Between 2008 and 2013 62 children with suspected airway FB who underwent flexible bronchoscopy were analyzed in a retrospective chart review at a tertiary university hospital with respect to clinical presentation and medical management...
September 10, 2016: Journal of Bronchology & Interventional Pulmonology
Xiaojun Du, Songsong Mao, Jianxiu Cui, Jue Ma, Guangyan Zhang, Yong Zheng, Haiyu Zhou, Liang Xie, Dongkun Zhang, Ruiqing Shi, Gang Chen
BACKGROUND: The aim of the present study was to determine the safety and feasibility of the use of laryngeal mask airway (LMA) for non-endotracheal intubated anesthesia for patients with pectus excavatum (PE) undergoing thoracoscopic Nuss procedure. METHODS: Between July 2015 and December 2015, 30 selected patients with PE were planned to undergo a thoracoscopic Nuss procedure using LMA for non-endotracheal intubated anesthesia in the Guangdong General Hospital...
August 2016: Journal of Thoracic Disease
K Z Chen, T J Liu, W X Li, X Shen
This prospective, randomised study was conducted to assess the effect of flexible laryngeal mask airway (FLMA) size on oropharyngeal leak pressure (OLP) in children at the recommended intracuff pressure. A total of 120 children undergoing elective ophthalmic surgery were randomly assigned to the size 2 FLMA group or size 2.5 FLMA group. The primary measurement was OLP at an intracuff pressure of 40 cmH2O. Secondary outcomes included the incidence of OLP <10 cmH2O, insufficient ventilation, gastric insufflation, insertion time, successful first-attempt insertion rate, fibreoptic view grade and pharyngolaryngeal adverse events...
September 2016: Anaesthesia and Intensive Care
Mona Sharma, Renu Sinha, Anjan Trikha, Rashmi Ramachandran, C Chandralekha
BACKGROUND AND AIMS: Laryngeal mask airway (LMA) cuff pressure increases when the air is used for the cuff inflation during oxygen: nitrous oxide (O2:N2O) anaesthesia, which may lead to various problems. We compared the effects of different gases for ProSeal LMA™ (PLMA) cuff inflation in adult patients for various parameters. METHODS: A total of 120 patients were randomly allocated to four groups, according to composition of gases used to inflate the PLMA cuff to achieve 40 cmH2 O cuff pressure, air (Group A), 50% O2 :air (Group OA), 50% O2:N2O (Group ON) and 100% O2 (Group O)...
August 2016: Indian Journal of Anaesthesia
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